From patchwork Fri Jan 10 04:33:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Dai X-Patchwork-Id: 11326615 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6C7481398 for ; Fri, 10 Jan 2020 04:33:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B4462084D for ; Fri, 10 Jan 2020 04:33:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="OnWcyHSb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731399AbgAJEdm (ORCPT ); Thu, 9 Jan 2020 23:33:42 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:50888 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731346AbgAJEdY (ORCPT ); Thu, 9 Jan 2020 23:33:24 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1578630803; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=JMfn7eB8GSyMbJGx0VgfE3NuYwEfWHjhIcxYr9ata+s=; b=OnWcyHSbez15gUEy0/ngdaEodaTPRpIPcEttaawAQxQyJTxGOnynkdXXt1CNMf0u5T08nx2u Bajd653P6ypmdWbSRCc+CoWexh0a1fKkzUDGqqH3kyAuC+6g/XiQkqJXk0PHjKQbb+m6/Ifv jNOIEi66yEOeUwXr4IQ//SvG4mc= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e17fe90.7f9d9248ef10-smtp-out-n03; Fri, 10 Jan 2020 04:33:20 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1DC69C447A2; Fri, 10 Jan 2020 04:33:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from davidai-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: daidavid1) by smtp.codeaurora.org (Postfix) with ESMTPSA id DF04DC433CB; Fri, 10 Jan 2020 04:33:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org DF04DC433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=daidavid1@codeaurora.org From: David Dai To: georgi.djakov@linaro.org, bjorn.andersson@linaro.org, robh+dt@kernel.org Cc: David Dai , evgreen@google.com, sboyd@kernel.org, ilina@codeaurora.org, seansw@qti.qualcomm.com, elder@linaro.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v2 3/6] dt-bindings: interconnect: Update Qualcomm SDM845 DT bindings Date: Thu, 9 Jan 2020 20:33:01 -0800 Message-Id: <1578630784-962-4-git-send-email-daidavid1@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1578630784-962-1-git-send-email-daidavid1@codeaurora.org> References: <1578630784-962-1-git-send-email-daidavid1@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Redefine the Network-on-Chip devices to more accurately describe the interconnect topology on Qualcomm's SDM845 platform. Each interconnect device can communicate with different instances of the RPMh hardware which are described as RSCs(Resource State Coordinators). Signed-off-by: David Dai --- .../bindings/interconnect/qcom,sdm845.yaml | 49 ++++++++++++++++++---- 1 file changed, 40 insertions(+), 9 deletions(-) diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml index 61e0097..6741a12 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,sdm845.yaml @@ -13,21 +13,44 @@ description: | SDM845 interconnect providers support system bandwidth requirements through RPMh hardware accelerators known as Bus Clock Manager (BCM). The provider is able to communicate with the BCM through the Resource State Coordinator (RSC) - associated with each execution environment. Provider nodes must reside within - an RPMh device node pertaining to their RSC and each provider maps to a - single RPMh resource. + associated with each execution environment. Provider nodes must point to at + least one RPMh device child node pertaining to their RSC and each provider + can map to multiple RPMh resources. properties: + reg: + maxItems: 1 + compatible: enum: - - qcom,sdm845-rsc-hlos + - qcom,sdm845-aggre1-noc + - qcom,sdm845-aggre2-noc + - qcom,sdm845-config-noc + - qcom,sdm845-dc-noc + - qcom,sdm845-gladiator-noc + - qcom,sdm845-mem-noc + - qcom,sdm845-mmss-noc + - qcom,sdm845-system-noc '#interconnect-cells': const: 1 + qcom,bcm-voter-names: + items: + - const: apps + - const: disp + + qcom,bcm-voters: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: | + List of phandles to qcom,bcm-voter nodes that are required by + this interconnect to send RPMh commands. + required: - compatible + - reg - '#interconnect-cells' + - qcom,bcm-voters additionalProperties: false @@ -35,9 +58,17 @@ examples: - | #include - apps_rsc: rsc { - rsc_hlos: interconnect { - compatible = "qcom,sdm845-rsc-hlos"; - #interconnect-cells = <1>; - }; + mem_noc: interconnect@1380000 { + compatible = "qcom,sdm845-mem-noc"; + reg = <0 0x01380000 0 0x27200>; + #interconnect-cells = <1>; + qcom,bcm-voters = <&apps_bcm_voter>; + }; + + mmss_noc: interconnect@1740000 { + compatible = "qcom,sdm845-mmss-noc"; + reg = <0 0x01740000 0 0x1c1000>; + #interconnect-cells = <1>; + qcom,bcm-voter-names = "apps", "disp"; + qcom,bcm-voters = <&apps_bcm_voter>, <&disp_bcm_voter>; };